Vertically downwards propagating pillar working

Details Vertically downwards propagating pillar working Vertically downwards propagating pillar working

E - Fixed Constructions

21

C

E21C 41/16 (2006.01)

Patent

CA 2041520

The invention relates to a cut-and fill method of a mine, where the working is done by pillar working, which propagates verti- cally downwards. The working is done by placing the stope and the pillars interlaced with each other when propagating downwards. The pillars are made by the hardening fill- method and likewise, at the bottom of the excavated stope, in the lower corners, a bed of hardening fill is made.

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